Laboratory instrument



FIG. 1 is a perspective view of the laboratory instrument;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines show portions of the laboratory instrument that form no part of the claimed design. 

CLAIM The ornamental design for the laboratory instrument, as shown and described. 